doi dblp
A comparison of data bases for retrieving references to the literature on drugs
M. A. Simkins

doi dblp
Retrieval performance and information theory
Mauro Guazzo

doi dblp
Towards an information retrieval language based on a relational view of data
Ian A. Macleod

doi dblp
A directory of public services: Utopian notes
Howard D. White

doi dblp
A mathematical formulation of keyword compression for thesauri
Louis-Gavet Guy